Simple email scrapper in CodeIgniter

General information for the website: Business email address scrapper Kind of development: New website from scratch Description of requirements/features: I need simple email scrapper in CodeIgniter. The concept is, if we type one domain name in search box, we can collect all mail address associated with the domain. For ex: if we type peopleperhour.com then we will get all mail address with peopleperhour.com domain. Also, need the source from which websites the e-mails collected. Extra notes: